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David Eagle


Last seen: Today Attivo dal 2012

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Aerospace engineer (retired) Professional Interests: aerospace trajectory optimization

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Inviato


Hyperbolic Injection from a Circular Earth Park Orbit – OTB
Determine delta-v required for coplanar and non-coplanar impulsive hyperbolic orbit transfers using the Optimization Toolbox.

15 giorni fa | 5 download |

0.0 / 5

Inviato


Hyperbolic Injection from a Circular Earth Park Orbit SNOPT
MATLAB script for modeling interplanetary injection from an Earth escape hyperbolic orbit using the SNOPT programming method.

15 giorni fa | 5 download |

4.0 / 5

Inviato


Hyperbolic Injection from a Circular Earth Orbit
PDF document and script for computing the coplanar impulsive transfer from a circular Earth orbit to an interplanetary hyperboli...

17 giorni fa | 3 download |

0.0 / 5

Inviato


Trans-Lunar Trajectory Optimization – SNOPT
SNOPT version of the tlto script for designing preliminary trans-lunar missions from Earth park orbit to lunar encounter.

20 giorni fa | 3 download |

0.0 / 5

Inviato


Trans-Lunar Trajectory Optimization - OTB
Optimization Toolbox version of the tlto script for designing preliminary trans-lunar missions from Earth park orbit to lunar en...

21 giorni fa | 9 download |

5.0 / 5

Inviato


Designing Interplanetary Launch Trajectories
Preliminary design and analysis of interplanetary launch trajectories.

circa un mese fa | 1 download |

0.0 / 5

Inviato


Closest Approach Between a Ground Site and Earth Satellite
Determine the closest approach conditions between a ground site or observer and an Earth satellite in a circular or elliptical o...

2 mesi fa | 2 download |

0.0 / 5

Inviato


Orbital Inclination as a Function of Launch Azimuth
This script can be used to determine the relationship between orbital inclination and launch azimuth for a user-defined launch s...

3 mesi fa | 1 download |

0.0 / 5

Inviato


Predicting Shadow Conditions of Earth Satellites
Three MATLAB scripts for predicting shadow (Earth eclipse) conditions of satellites in circular and elliptical orbits.

3 mesi fa | 1 download |

0.0 / 5

Inviato


Predicting Rise and Set of an Earth Satellite
Three MATLAB scripts for predicting rise and set of an Earth satellite relative to an observer or ground site on an oblate Earth...

3 mesi fa | 4 download |

0.0 / 5

Inviato


Analytic Orbit Propagation – Method of Markley and Jeletic
Fast analytic orbit propagator using the method of Markley and Jeletic.

3 mesi fa | 6 download |

0.0 / 5

Inviato


MATLAB solutions of Lambert's problem
MATLAB functions and scripts for solving the geocentric and heliocentric Lambert problem.

3 mesi fa | 22 download |

4.7 / 5

Inviato


Finite-burn Interplanetary Injection from Earth Orbit SNOPT
A MATLAB script for optimizing finite-burn interplanetary injection trajectories from an initial circular Earth orbit using SNOP...

3 mesi fa | 1 download |

4.0 / 5

Inviato


Finite-burn Interplanetary Injection from Earth Orbit - OTB
Optimization Toolbox version of a MATLAB script that can be used to model finite-burn interplanetary injection from a circular E...

3 mesi fa | 2 download |

0.0 / 5

Inviato


Numerical Prediction of Orbital Events
MATLAB script and user's manual for predicting important root-finding and extrema type orbital events. Precision orbit propagati...

4 mesi fa | 3 download |

0.0 / 5

Inviato


A MATLAB implementation of the BDQRF root-finding algorithm
MATLAB function for calculating the single real root of a non-linear function using the Bisected Direct Quadratic Regula Falsi m...

5 mesi fa | 4 download |

0.0 / 5

Inviato


Graphic Display of Satellite Ground Tracks and Orbits
MATLAB script named satplot.m that demonstrates how to graphically display satellite ground tracks and orbits.

5 mesi fa | 2 download |

5.0 / 5

Inviato


Visibility Contours of the Sun and Moon
Create graphic visibility contours of the Sun and Moon at a user-specified calendar date and time.

5 mesi fa | 1 download |

0.0 / 5

Inviato


Computer Graphics for the ilt_sos computer program
Create graphic displays of flight performance characteristics created with the "Low-Thrust Interplanetary Trajectory with SOS" ...

5 mesi fa | 1 download |

0.0 / 5

Inviato


ATO Using Direct Transcription and Collocation - OTB
Demonstrates the solution of an aerospace trajectory optimization problem using direct transcription and collocation.

5 mesi fa | 2 download |

4.0 / 5

Inviato


Selenocentric Coordinates and Transformations
MATLAB functions for computing selenocentric (moon-centered) coordinates and transformations.

6 mesi fa | 4 download |

0.0 / 5

Inviato


Finite-burn De-orbit from Earth Orbit – OTB
Design a finite-burn maneuver that de-orbits a spacecraft from an initial circular or elliptical Earth orbit to a user-defined E...

6 mesi fa | 2 download |

0.0 / 5

Inviato


Trans-Lunar Trajectory Correction Maneuver – SNOPT
Optimize a single impulsive trajectory correction maneuver (TCM) on a trans-lunar trajectory using the SNOPT numerical method.

7 mesi fa | 1 download |

0.0 / 5

Inviato


Trans-Lunar Trajectory Correction Maneuver – OTB
Optimize a single impulsive trajectory correction maneuver (TCM) located on a trans-lunar trajectory.

7 mesi fa | 1 download |

0.0 / 5

Inviato


Earth-to-Mars Interplanetary TCM Optimization - SNOPT
Optimization of interplanetary trajectory correction maneuvers (TCM) during Earth-to-Mars spaceflight using the SNOPT algorithm....

8 mesi fa | 4 download |

0.0 / 5

Inviato


Earth-to-Mars Interplanetary TCM Optimization - OTB
Optimization Toolbox version of the MATLAB script that determines optimal Earth-to-Mars impulsive TCM maneuvers.

8 mesi fa | 3 download |

0.0 / 5

Inviato


Bi-elliptic Transfer Between Coplanar Circular Orbits
Bi-elliptic orbital transfer between two coplanar circular Earth orbits.

8 mesi fa | 14 download |

4.5 / 5

Inviato


The Hohmann Orbit Transfer
Computes characteristics for coplanar and non-coplanar Hohmann transfers.

8 mesi fa | 12 download |

5.0 / 5

Inviato


Trajectory Optimization from Earth to an Asteroid - SNOPT
MATLAB script for optimizing two-body, ballistic trajectories from Earth to an asteroid using the SNOPT algorithm

8 mesi fa | 2 download |

0.0 / 5

Inviato


Trajectory Optimization from Earth to an Asteroid - OTB
MATLAB script for optimizing two-body, ballistic trajectories from Earth to an asteroid using the the Optimization Toolbox.

8 mesi fa | 3 download |

0.0 / 5

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